Silane coupler KH-791, a member of the organofunctional silane family, is a versatile adhesion promoter and surface modifier used in various industries. Its chemical structure, comprising a triethoxysilane group and an epoxy-functional organic moiety, enables KH-791 to facilitate strong interfacial bonding between inorganic substrates and organic polymers. By enhancing adhesion and wetting properties, KH-791 contributes to improved composite, adhesive, and coating systems, particularly in applications involving glass, metal, and mineral-filled polymeric materials. Additionally, its ability to modify surfaces through silanol condensation reactions further extends its utility in enhancing material properties and performance.